If you had a bucket that contained a mixture of sand and seashells, how might you use the physical properties of the seashells to separate them from the sand?

Answer 1

Pour the mixture through a sieve.

The seashells will be captured by the sieve, which will let all of the sand flow through it.

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Answer 2

Since seashells are generally less dense than sand, one way to separate the seashells from the sand would be to use their physical property of density. For example, you could use a flotation process, in which the mixture is submerged in water and the less dense seashells float to the surface while the denser sand sinks to the bottom.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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